28991501

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5303}}^1$

素因数の和:5392

約数の個数: 16

約数和(自身を含む): 36661248

約数和(自身を除く): 7669747

約数列:

[1, 7, 11, 71, 77, 497, 781, 5303, 5467, 37121, 58333, 376513, 408331, 2635591, 4141643, 28991501]

約数ペア:

[(1, 28991501), (7, 4141643), (11, 2635591), (71, 408331), (77, 376513), (497, 58333), (781, 37121), (5303, 5467)]